M series micro-metering (MAH / MBH / MLM)

LEWA M series magnetic diaphragm micro-metering pumps (MAH, MBH, MLM) for metering tiny fluid amounts in oil and gas, gas odorization and energy production, adjustable to variable reference values over a 1:1000 control range with four solenoid sizes and two control systems. Metal diaphragm technology with discharge pressures up to 500 bar (560 bar for the MLM) at ±1% accuracy, 0.01 to 55 l/h, dry-run safe, vacuum-sealed and odour-tight, explosion-protected up to EX zone 1, DVGW G280; MLM with integrated pressure relief valve.

Key technical parameters

• Flow rate: 0.01 to 55 l/h
• Pressure: up to 560 bar (MLM), 75 bar (MBH), 50 bar (MAH)
• Control range: 1:1000, accuracy ±1%
• Drive: Solenoid (electromagnetic)
• Diaphragm: metal, dry-run safe
• Explosion protection up to EX zone 1; DVGW G280
• Suction capability down to 0.1 bar absolute

Media handled

• Liquids: Chemicals, Solvent, LPG
• Media properties: Low viscosity, Corrosive

Applications and industries

• Gas odorization
• Oil and gas
• Energy production
• Precise metering of small flows